/*
 * Copyright 2011 Christoph Ludwig (christoph[at]chludwig.de). All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.chludwig.ehumanities.provenance.servlet;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import de.chludwig.ehumanities.provenance.Atom.AbderaInstanceFactory;
import de.chludwig.ehumanities.provenance.background.BackgroundJobScheduler;
import de.chludwig.ehumanities.provenance.persistence.StorageArea;
import de.chludwig.ehumanities.provenance.utils.ProvenanceContextUtil;

/**
 * 
 */
public class HPTContextListener implements ServletContextListener {

  public static final String ABDERA_FACTORY_KEY = "de.chludwig.ehumanities.provenance.servlet.Abdera";
  
  private final BackgroundJobScheduler backgroundJobScheduler = new BackgroundJobScheduler();

  @Override
  public void contextDestroyed(ServletContextEvent event) {
    backgroundJobScheduler.contextDestroyed(event);
  }

  @Override
  public void contextInitialized(ServletContextEvent event) {
    ServletContext ctx = event.getServletContext();
    
    StorageArea.setRoot(ProvenanceContextUtil.getDataDirectory(ctx));
    ctx.setAttribute(ABDERA_FACTORY_KEY, AbderaInstanceFactory.getInstance());    
    
    backgroundJobScheduler.contextInitialized(event);
  }

}
